Jeff Gainer

Jeff Gainer is a seasoned database engineer with extensive experience in database administration and systems architecture. Currently serving as Lead Database Engineer at Mastercard since June 2019, Jeff has previously held significant positions such as Systems Architect Lead at Enterprise Holdings, focusing on Revenue Management and Consumer Mobile Applications. Jeff's career also includes roles at Enterprise Rent-A-Car as Systems Architect Lead for Decision Support and Lead Oracle DBA, and earlier positions at Anheuser-Busch, MasterCard, MEMC Electronic Materials, and Purina Mills, where expertise in Oracle database management was developed.